UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net revenue	$ 217,810	$ 238,462
Cost of revenue (excluding depreciation expense)	152,226	174,230
Gross profit	65,584	64,232
Other operating expenses	44,358	39,658
Bad debt expense	7,164	7,592
General and administrative expenses	9,479	11,051
Restructuring, acquisition, integration, and other expenses, net	3,223	2,667
Depreciation and amortization expense	6,988	4,538
Interest expense	12,744	9,412
Gain on dispositions	0	(939)
Loss from continuing operations, before income taxes	(18,372)	(9,747)
Income tax expense	619	23
Loss from continuing operations, net of income taxes	(18,991)	(9,770)
(Loss) income from discontinued operations, net of income taxes	(437)	233
Net loss	(19,428)	(9,537)
Accrued dividends on preferred stock	(2,214)	(1,998)
Deemed dividends on preferred stock	(174)	(172)
Loss attributable to common stockholders	$ (21,816)	$ (11,707)
Loss per common share:
Loss from continuing operations, basic and diluted (in dollars per share)	$ (0.18)	$ (0.17)
Loss from discontinued operations, basic and diluted (in dollars per share)	0.00	0.00
Loss per common share, basic and diluted (in dollars per share)	$ (0.18)	$ (0.17)
Weighted average common shares outstanding, basic and diluted (in shares)	118,783	68,771